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74AC245 Datasheet(PDF) 3 Page - STMicroelectronics

Part No. 74AC245
Description  OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS NON INVERTED
Download  8 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74AC245 Datasheet(HTML) 3 Page - STMicroelectronics

   
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74AC245
3/9
DC SPECIFICATIONS
1) Maximum test duration 2ms, one output loaded at time
2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
VIH
High Level Input
Voltage
3.0
VO = 0.1 V or
VCC-0.1V
2.1
1.5
2.1
2.1
V
4.5
3.15
2.25
3.15
3.15
5.5
3.85
2.75
3.85
3.85
VIL
Low Level Input
Voltage
3.0
VO = 0.1 V or
VCC-0.1V
1.5
0.9
0.9
0.9
V
4.5
2.25
1.35
1.35
1.35
5.5
2.75
1.65
1.65
1.65
VOH
High Level Output
Voltage
3.0
IO=-50 µA
2.9
2.99
2.9
2.9
V
4.5
IO=-50 µA
4.4
4.49
4.4
4.4
5.5
IO=-50 µA
5.4
5.49
5.4
5.4
3.0
IO=-12 mA
2.56
2.46
2.4
4.5
IO=-24 mA
3.86
3.76
3.7
5.5
IO=-24 mA
4.86
4.76
4.7
VOL
Low Level Output
Voltage
3.0
IO=50 µA
0.002
0.1
0.1
0.1
V
4.5
IO=50 µA
0.001
0.1
0.1
0.1
5.5
IO=50 µA
0.001
0.1
0.1
0.1
3.0
IO=12 mA
0.36
0.44
0.5
4.5
IO=24 mA
0.36
0.44
0.5
5.5
IO=24 mA
0.36
0.44
0.5
II
Input Leakage
Current
5.5
VI = VCC or GND
± 0.1
± 1
± 1
µA
Ioz
High Impedance
Output Leakage
Current
5.5
VI = VIH or VIL
VO = VCC or GND
± 0.5
± 5
± 10
µA
ICC
Quiescent Supply
Current
5.5
VI = VCC or GND
440
80
µA
IOLD
Dynamic Output
Current (note 1, 2)
5.5
VOLD = 1.65 V max
75
50
mA
IOHD
VOHD = 3.85 V min
-75
-50
mA


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